Carboniferous coal was produced by bark-bearing trees that grew in vast lowland swamp forests. Vegetation included giant club mosses, tree ferns, great horsetails, and towering trees with strap ...

In fact, ferns grew prolifically in the Carboniferous period that occurred millions of years ago. However, for the modern-day ...

"Our fossil is unique evidence of an extreme form of evolution that someone might imagine in their dreams," a researcher said ...